@bufbuild/protobuf - npm Package Compare versions

Comparing version 2.10.2 to 2.11.0

dist/cjs/clone.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv1/enum.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv1/extension.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv1/file.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv1/index.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv1/message.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv1/service.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv1/symbols.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv1/types.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/boot.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/embed.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/enum.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/extension.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/file.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/index.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/message.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/restore-json-names.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/scalar.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/service.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/symbols.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/codegenv2/types.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/create.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/descriptors.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/equals.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/extensions.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/fields.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/from-binary.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/from-json.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -28,3 +28,3 @@ // Licensed under the Apache License, Version 2.0 (the "License");
 const reflect_check_js_1 = require("./reflect/reflect-check.js");
-const scalar_js_1 = require("./reflect/scalar.js");
+const names_js_1 = require("./reflect/names.js");
 const base64_encoding_js_1 = require("./wire/base64-encoding.js");
@@ -105,7 +105,3 @@ const index_js_1 = require("./wkt/index.js");
 function enumFromJson(descEnum, json) {
-    const val = readEnum(descEnum, json, false, false);
-    if (val === tokenIgnoredUnknownEnum) {
-        throw new Error(`cannot decode ${descEnum} from JSON: ${(0, reflect_check_js_1.formatVal)(json)}`);
-    }
-    return val;
+    return readEnum(descEnum, json, false);
 }
@@ -118,2 +114,14 @@ /**
 }
+const messageJsonFields = new WeakMap();
+function getJsonField(desc, jsonKey) {
+    var _a;
+    if (!messageJsonFields.has(desc)) {
+        const jsonNames = new Map();
+        for (const field of desc.fields) {
+            jsonNames.set(field.name, field).set(field.jsonName, field);
+        }
+        messageJsonFields.set(desc, jsonNames);
+    }
+    return (_a = messageJsonFields.get(desc)) === null || _a === void 0 ? void 0 : _a.get(jsonKey);
+}
 function readMessage(msg, json, opts) {
@@ -128,8 +136,4 @@ var _a;
     const oneofSeen = new Map();
-    const jsonNames = new Map();
-    for (const field of msg.desc.fields) {
-        jsonNames.set(field.name, field).set(field.jsonName, field);
-    }
     for (const [jsonKey, jsonValue] of Object.entries(json)) {
-        const field = jsonNames.get(jsonKey);
+        const field = getJsonField(msg.desc, jsonKey);
         if (field) {
@@ -185,2 +189,16 @@ if (field.oneof) {
 }
+function readListOrMapItem(field, json, opts) {
+    if (field.scalar && json !== null) {
+        return scalarFromJson(field, json);
+    }
+    if (field.message && !isResetSentinelNullValue(field, json)) {
+        const msgValue = (0, reflect_js_1.reflect)(field.message);
+        readMessage(msgValue, json, opts);
+        return msgValue;
+    }
+    if (field.enum && !isResetSentinelNullValue(field, json)) {
+        return readEnum(field.enum, json, opts.ignoreUnknownFields);
+    }
+    throw new error_js_1.FieldError(field, `${field.fieldKind === "list" ? "list item" : "map value"} must not be null`);
+}
 function readMapField(map, json, opts) {
@@ -195,24 +213,7 @@ if (json === null) {
     for (const [jsonMapKey, jsonMapValue] of Object.entries(json)) {
-        if (jsonMapValue === null && !isSafeNullValueInListOrMap(field)) {
-            throw new error_js_1.FieldError(field, "map value must not be null");
+        const key = mapKeyFromJson(field.mapKey, jsonMapKey);
+        const value = readListOrMapItem(field, jsonMapValue, opts);
+        if (value !== tokenIgnoredUnknownEnum) {
+            map.set(key, value);
         }
-        let value;
-        switch (field.mapKind) {
-            case "message":
-                const msgValue = (0, reflect_js_1.reflect)(field.message);
-                readMessage(msgValue, jsonMapValue, opts);
-                value = msgValue;
-                break;
-            case "enum":
-                value = readEnum(field.enum, jsonMapValue, opts.ignoreUnknownFields, true);
-                if (value === tokenIgnoredUnknownEnum) {
-                    return;
-                }
-                break;
-            case "scalar":
-                value = scalarFromJson(field, jsonMapValue, true);
-                break;
-        }
-        const key = mapKeyFromJson(field.mapKey, jsonMapKey);
-        map.set(key, value);
     }
@@ -229,30 +230,10 @@ }
     for (const jsonItem of json) {
-        if (jsonItem === null && !isSafeNullValueInListOrMap(field)) {
-            throw new error_js_1.FieldError(field, "list item must not be null");
+        const value = readListOrMapItem(field, jsonItem, opts);
+        if (value !== tokenIgnoredUnknownEnum) {
+            list.add(value);
         }
-        switch (field.listKind) {
-            case "message":
-                const msgValue = (0, reflect_js_1.reflect)(field.message);
-                readMessage(msgValue, jsonItem, opts);
-                list.add(msgValue);
-                break;
-            case "enum":
-                const enumValue = readEnum(field.enum, jsonItem, opts.ignoreUnknownFields, true);
-                if (enumValue !== tokenIgnoredUnknownEnum) {
-                    list.add(enumValue);
-                }
-                break;
-            case "scalar":
-                list.add(scalarFromJson(field, jsonItem, true));
-                break;
-        }
     }
 }
-function isSafeNullValueInListOrMap(field) {
-    var _a, _b;
-    return (((_a = field.message) === null || _a === void 0 ? void 0 : _a.typeName) == "google.protobuf.Value" ||
-        ((_b = field.enum) === null || _b === void 0 ? void 0 : _b.typeName) == "google.protobuf.NullValue");
-}
 function readMessageField(msg, field, json, opts) {
-    if (json === null && field.message.typeName != "google.protobuf.Value") {
+    if (isResetSentinelNullValue(field, json)) {
         msg.clear(field);
@@ -266,7 +247,8 @@ return;
 function readEnumField(msg, field, json, opts) {
-    const enumValue = readEnum(field.enum, json, opts.ignoreUnknownFields, false);
-    if (enumValue === tokenNull) {
+    if (isResetSentinelNullValue(field, json)) {
         msg.clear(field);
+        return;
     }
-    else if (enumValue !== tokenIgnoredUnknownEnum) {
+    const enumValue = readEnum(field.enum, json, opts.ignoreUnknownFields);
+    if (enumValue !== tokenIgnoredUnknownEnum) {
         msg.set(field, enumValue);
@@ -276,17 +258,30 @@ }
 function readScalarField(msg, field, json) {
-    const scalarValue = scalarFromJson(field, json, false);
-    if (scalarValue === tokenNull) {
+    if (json === null) {
         msg.clear(field);
     }
     else {
-        msg.set(field, scalarValue);
+        msg.set(field, scalarFromJson(field, json));
     }
 }
+/**
+ * Indicates whether a value is a sentinel for reseting a field.
+ *
+ * For this to be true, the value must be a JSON null and the field must not
+ * permit a present, Protobuf-serializable null.
+ *
+ * Only message google.protobuf.Value and enum google.protobuf.NullValue fields
+ * permit Protobuf-serializable nulls.
+ *
+ * Note that field-resetting sentinel nulls are not permitted in lists and maps.
+ */
+function isResetSentinelNullValue(field, json) {
+    var _a, _b;
+    return (json === null &&
+        ((_a = field.message) === null || _a === void 0 ? void 0 : _a.typeName) != "google.protobuf.Value" &&
+        ((_b = field.enum) === null || _b === void 0 ? void 0 : _b.typeName) != "google.protobuf.NullValue");
+}
 const tokenIgnoredUnknownEnum = Symbol();
-function readEnum(desc, json, ignoreUnknownFields, nullAsZeroValue) {
+function readEnum(desc, json, ignoreUnknownFields) {
     if (json === null) {
-        if (desc.typeName == "google.protobuf.NullValue") {
-            return 0; // google.protobuf.NullValue.NULL_VALUE = 0
-        }
-        return nullAsZeroValue ? desc.values[0].number : tokenNull;
+        return desc.values[0].number;
     }
@@ -311,10 +306,9 @@ switch (typeof json) {
 }
-const tokenNull = Symbol();
-function scalarFromJson(field, json, nullAsZeroValue) {
-    if (json === null) {
-        if (nullAsZeroValue) {
-            return (0, scalar_js_1.scalarZeroValue)(field.scalar, false);
-        }
-        return tokenNull;
-    }
+/**
+ * Try to parse a JSON value to a scalar value for the reflect API.
+ *
+ * Returns the input if the JSON value cannot be converted. Raises a FieldError
+ * if conversion would be ambiguous.
+ */
+function scalarFromJson(field, json) {
     // int64, sfixed64, sint64, fixed64, uint64: Reflect supports string and number.
@@ -392,6 +386,6 @@ // string, bool: Supported by reflect.
  */
-function mapKeyFromJson(type, json) {
+function mapKeyFromJson(type, jsonString) {
     switch (type) {
         case descriptors_js_1.ScalarType.BOOL:
-            switch (json) {
+            switch (jsonString) {
                 case "true":
@@ -402,3 +396,3 @@ return true;
             }
-            return json;
+            return jsonString;
         case descriptors_js_1.ScalarType.INT32:
@@ -409,5 +403,5 @@ case descriptors_js_1.ScalarType.FIXED32:
         case descriptors_js_1.ScalarType.SINT32:
-            return int32FromJson(json);
+            return int32FromJson(jsonString);
         default:
-            return json;
+            return jsonString;
     }
@@ -483,3 +477,3 @@ }
                 else {
-                    msg.set(valueField, scalarFromJson(valueField, jsonValue, true));
+                    msg.set(valueField, scalarFromJson(valueField, jsonValue));
                 }
@@ -582,10 +576,8 @@ return true;
     }
-    function camelToSnake(str) {
-        if (str.includes("_")) {
+    fieldMask.paths = json.split(",").map((path) => {
+        if (path.includes("_")) {
             throw new Error(`cannot decode message ${fieldMask.$typeName} from JSON: path names must be lowerCamelCase`);
         }
-        const sc = str.replace(/[A-Z]/g, (letter) => "_" + letter.toLowerCase());
-        return sc[0] === "_" ? sc.substring(1) : sc;
-    }
-    fieldMask.paths = json.split(",").map(camelToSnake);
+        return (0, names_js_1.protoSnakeCase)(path);
+    });
 }
@@ -592,0 +584,0 @@ function structFromJson(struct, json) {

dist/cjs/index.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/is-message.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/json-value.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/merge.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/proto-int64.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/error.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/guard.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/index.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/names.d.ts

@@ -12,5 +12,16 @@ import type { AnyDesc } from "../descriptors.js";
  * used by protoc to convert a field name to a JSON name.
+ *
+ * See https://protobuf.com/docs/language-spec#default-json-names
+ *
+ * The function protoSnakeCase provides the reverse.
  */
 export declare function protoCamelCase(snakeCase: string): string;
 /**
+ * Converts protoCamelCase to snake_case.
+ *
+ * This function is the reverse of function protoCamelCase. Note that some names
+ * are not reversible - for example, "foo__bar" -> "fooBar" -> "foo_bar".
+ */
+export declare function protoSnakeCase(lowerCamelCase: string): string;
+/**
  * Escapes names that are reserved for ECMAScript built-in object properties.
@@ -17,0 +28,0 @@ *

dist/cjs/reflect/names.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -18,2 +18,3 @@ // Licensed under the Apache License, Version 2.0 (the "License");
 exports.protoCamelCase = protoCamelCase;
+exports.protoSnakeCase = protoSnakeCase;
 exports.safeObjectProperty = safeObjectProperty;
@@ -50,2 +51,6 @@ /**
  * used by protoc to convert a field name to a JSON name.
+ *
+ * See https://protobuf.com/docs/language-spec#default-json-names
+ *
+ * The function protoSnakeCase provides the reverse.
  */
@@ -86,2 +91,11 @@ function protoCamelCase(snakeCase) {
 /**
+ * Converts protoCamelCase to snake_case.
+ *
+ * This function is the reverse of function protoCamelCase. Note that some names
+ * are not reversible - for example, "foo__bar" -> "fooBar" -> "foo_bar".
+ */
+function protoSnakeCase(lowerCamelCase) {
+    return lowerCamelCase.replace(/[A-Z]/g, (letter) => "_" + letter.toLowerCase());
+}
+/**
  * Names that cannot be used for object properties because they are reserved
@@ -88,0 +102,0 @@ * by built-in JavaScript properties.

dist/cjs/reflect/nested-types.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/path.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/reflect-check.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/reflect-types.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/reflect.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/scalar.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/reflect/unsafe.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/registry.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/to-binary.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/to-json.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -328,6 +328,4 @@ // Licensed under the Apache License, Version 2.0 (the "License");
         .map((p) => {
-        if (p.match(/_[0-9]?_/g) || p.match(/[A-Z]/g)) {
-            throw new Error(`cannot encode message ${val.$typeName} to JSON: lowerCamelCase of path name "` +
-                p +
-                '" is irreversible');
+        if ((0, names_js_1.protoSnakeCase)((0, names_js_1.protoCamelCase)(p)) !== p) {
+            throw new Error(`cannot encode message ${val.$typeName} to JSON: lowerCamelCase of path name "${p}" is irreversible`);
         }
@@ -334,0 +332,0 @@ return (0, names_js_1.protoCamelCase)(p);

dist/cjs/types.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wire/base64-encoding.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wire/binary-encoding.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wire/index.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wire/size-delimited.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wire/text-encoding.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wire/text-format.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/any.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/duration.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/any_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/api_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/compiler/plugin_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/cpp_features_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/duration_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/empty_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/field_mask_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/go_features_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/java_features_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/source_context_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/struct_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/timestamp_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/type_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/gen/google/protobuf/wrappers_pb.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/index.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/timestamp.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/cjs/wkt/wrappers.js

 "use strict";
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -4,0 +4,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/clone.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv1/enum.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv1/extension.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv1/file.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv1/index.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv1/message.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv1/service.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv1/symbols.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv1/types.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/boot.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/embed.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/enum.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/extension.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/file.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/index.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/message.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/restore-json-names.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/scalar.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/service.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/symbols.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/codegenv2/types.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/create.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/descriptors.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/equals.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/extensions.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/fields.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/from-binary.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/from-json.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -20,3 +20,3 @@ // Licensed under the Apache License, Version 2.0 (the "License");
 import { formatVal } from "./reflect/reflect-check.js";
-import { scalarZeroValue } from "./reflect/scalar.js";
+import { protoSnakeCase } from "./reflect/names.js";
 import { base64Decode } from "./wire/base64-encoding.js";
@@ -97,7 +97,3 @@ import { isWrapperDesc, anyPack, ListValueSchema, NullValue, StructSchema, ValueSchema, } from "./wkt/index.js";
 export function enumFromJson(descEnum, json) {
-    const val = readEnum(descEnum, json, false, false);
-    if (val === tokenIgnoredUnknownEnum) {
-        throw new Error(`cannot decode ${descEnum} from JSON: ${formatVal(json)}`);
-    }
-    return val;
+    return readEnum(descEnum, json, false);
 }
@@ -110,2 +106,14 @@ /**
 }
+const messageJsonFields = new WeakMap();
+function getJsonField(desc, jsonKey) {
+    var _a;
+    if (!messageJsonFields.has(desc)) {
+        const jsonNames = new Map();
+        for (const field of desc.fields) {
+            jsonNames.set(field.name, field).set(field.jsonName, field);
+        }
+        messageJsonFields.set(desc, jsonNames);
+    }
+    return (_a = messageJsonFields.get(desc)) === null || _a === void 0 ? void 0 : _a.get(jsonKey);
+}
 function readMessage(msg, json, opts) {
@@ -120,8 +128,4 @@ var _a;
     const oneofSeen = new Map();
-    const jsonNames = new Map();
-    for (const field of msg.desc.fields) {
-        jsonNames.set(field.name, field).set(field.jsonName, field);
-    }
     for (const [jsonKey, jsonValue] of Object.entries(json)) {
-        const field = jsonNames.get(jsonKey);
+        const field = getJsonField(msg.desc, jsonKey);
         if (field) {
@@ -177,2 +181,16 @@ if (field.oneof) {
 }
+function readListOrMapItem(field, json, opts) {
+    if (field.scalar && json !== null) {
+        return scalarFromJson(field, json);
+    }
+    if (field.message && !isResetSentinelNullValue(field, json)) {
+        const msgValue = reflect(field.message);
+        readMessage(msgValue, json, opts);
+        return msgValue;
+    }
+    if (field.enum && !isResetSentinelNullValue(field, json)) {
+        return readEnum(field.enum, json, opts.ignoreUnknownFields);
+    }
+    throw new FieldError(field, `${field.fieldKind === "list" ? "list item" : "map value"} must not be null`);
+}
 function readMapField(map, json, opts) {
@@ -187,24 +205,7 @@ if (json === null) {
     for (const [jsonMapKey, jsonMapValue] of Object.entries(json)) {
-        if (jsonMapValue === null && !isSafeNullValueInListOrMap(field)) {
-            throw new FieldError(field, "map value must not be null");
+        const key = mapKeyFromJson(field.mapKey, jsonMapKey);
+        const value = readListOrMapItem(field, jsonMapValue, opts);
+        if (value !== tokenIgnoredUnknownEnum) {
+            map.set(key, value);
         }
-        let value;
-        switch (field.mapKind) {
-            case "message":
-                const msgValue = reflect(field.message);
-                readMessage(msgValue, jsonMapValue, opts);
-                value = msgValue;
-                break;
-            case "enum":
-                value = readEnum(field.enum, jsonMapValue, opts.ignoreUnknownFields, true);
-                if (value === tokenIgnoredUnknownEnum) {
-                    return;
-                }
-                break;
-            case "scalar":
-                value = scalarFromJson(field, jsonMapValue, true);
-                break;
-        }
-        const key = mapKeyFromJson(field.mapKey, jsonMapKey);
-        map.set(key, value);
     }
@@ -221,30 +222,10 @@ }
     for (const jsonItem of json) {
-        if (jsonItem === null && !isSafeNullValueInListOrMap(field)) {
-            throw new FieldError(field, "list item must not be null");
+        const value = readListOrMapItem(field, jsonItem, opts);
+        if (value !== tokenIgnoredUnknownEnum) {
+            list.add(value);
         }
-        switch (field.listKind) {
-            case "message":
-                const msgValue = reflect(field.message);
-                readMessage(msgValue, jsonItem, opts);
-                list.add(msgValue);
-                break;
-            case "enum":
-                const enumValue = readEnum(field.enum, jsonItem, opts.ignoreUnknownFields, true);
-                if (enumValue !== tokenIgnoredUnknownEnum) {
-                    list.add(enumValue);
-                }
-                break;
-            case "scalar":
-                list.add(scalarFromJson(field, jsonItem, true));
-                break;
-        }
     }
 }
-function isSafeNullValueInListOrMap(field) {
-    var _a, _b;
-    return (((_a = field.message) === null || _a === void 0 ? void 0 : _a.typeName) == "google.protobuf.Value" ||
-        ((_b = field.enum) === null || _b === void 0 ? void 0 : _b.typeName) == "google.protobuf.NullValue");
-}
 function readMessageField(msg, field, json, opts) {
-    if (json === null && field.message.typeName != "google.protobuf.Value") {
+    if (isResetSentinelNullValue(field, json)) {
         msg.clear(field);
@@ -258,7 +239,8 @@ return;
 function readEnumField(msg, field, json, opts) {
-    const enumValue = readEnum(field.enum, json, opts.ignoreUnknownFields, false);
-    if (enumValue === tokenNull) {
+    if (isResetSentinelNullValue(field, json)) {
         msg.clear(field);
+        return;
     }
-    else if (enumValue !== tokenIgnoredUnknownEnum) {
+    const enumValue = readEnum(field.enum, json, opts.ignoreUnknownFields);
+    if (enumValue !== tokenIgnoredUnknownEnum) {
         msg.set(field, enumValue);
@@ -268,17 +250,30 @@ }
 function readScalarField(msg, field, json) {
-    const scalarValue = scalarFromJson(field, json, false);
-    if (scalarValue === tokenNull) {
+    if (json === null) {
         msg.clear(field);
     }
     else {
-        msg.set(field, scalarValue);
+        msg.set(field, scalarFromJson(field, json));
     }
 }
+/**
+ * Indicates whether a value is a sentinel for reseting a field.
+ *
+ * For this to be true, the value must be a JSON null and the field must not
+ * permit a present, Protobuf-serializable null.
+ *
+ * Only message google.protobuf.Value and enum google.protobuf.NullValue fields
+ * permit Protobuf-serializable nulls.
+ *
+ * Note that field-resetting sentinel nulls are not permitted in lists and maps.
+ */
+function isResetSentinelNullValue(field, json) {
+    var _a, _b;
+    return (json === null &&
+        ((_a = field.message) === null || _a === void 0 ? void 0 : _a.typeName) != "google.protobuf.Value" &&
+        ((_b = field.enum) === null || _b === void 0 ? void 0 : _b.typeName) != "google.protobuf.NullValue");
+}
 const tokenIgnoredUnknownEnum = Symbol();
-function readEnum(desc, json, ignoreUnknownFields, nullAsZeroValue) {
+function readEnum(desc, json, ignoreUnknownFields) {
     if (json === null) {
-        if (desc.typeName == "google.protobuf.NullValue") {
-            return 0; // google.protobuf.NullValue.NULL_VALUE = 0
-        }
-        return nullAsZeroValue ? desc.values[0].number : tokenNull;
+        return desc.values[0].number;
     }
@@ -303,10 +298,9 @@ switch (typeof json) {
 }
-const tokenNull = Symbol();
-function scalarFromJson(field, json, nullAsZeroValue) {
-    if (json === null) {
-        if (nullAsZeroValue) {
-            return scalarZeroValue(field.scalar, false);
-        }
-        return tokenNull;
-    }
+/**
+ * Try to parse a JSON value to a scalar value for the reflect API.
+ *
+ * Returns the input if the JSON value cannot be converted. Raises a FieldError
+ * if conversion would be ambiguous.
+ */
+function scalarFromJson(field, json) {
     // int64, sfixed64, sint64, fixed64, uint64: Reflect supports string and number.
@@ -384,6 +378,6 @@ // string, bool: Supported by reflect.
  */
-function mapKeyFromJson(type, json) {
+function mapKeyFromJson(type, jsonString) {
     switch (type) {
         case ScalarType.BOOL:
-            switch (json) {
+            switch (jsonString) {
                 case "true":
@@ -394,3 +388,3 @@ return true;
             }
-            return json;
+            return jsonString;
         case ScalarType.INT32:
@@ -401,5 +395,5 @@ case ScalarType.FIXED32:
         case ScalarType.SINT32:
-            return int32FromJson(json);
+            return int32FromJson(jsonString);
         default:
-            return json;
+            return jsonString;
     }
@@ -475,3 +469,3 @@ }
                 else {
-                    msg.set(valueField, scalarFromJson(valueField, jsonValue, true));
+                    msg.set(valueField, scalarFromJson(valueField, jsonValue));
                 }
@@ -574,10 +568,8 @@ return true;
     }
-    function camelToSnake(str) {
-        if (str.includes("_")) {
+    fieldMask.paths = json.split(",").map((path) => {
+        if (path.includes("_")) {
             throw new Error(`cannot decode message ${fieldMask.$typeName} from JSON: path names must be lowerCamelCase`);
         }
-        const sc = str.replace(/[A-Z]/g, (letter) => "_" + letter.toLowerCase());
-        return sc[0] === "_" ? sc.substring(1) : sc;
-    }
-    fieldMask.paths = json.split(",").map(camelToSnake);
+        return protoSnakeCase(path);
+    });
 }
@@ -584,0 +576,0 @@ function structFromJson(struct, json) {

dist/esm/index.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/is-message.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/json-value.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/merge.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/proto-int64.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/error.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/guard.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/index.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/names.d.ts

@@ -12,5 +12,16 @@ import type { AnyDesc } from "../descriptors.js";
  * used by protoc to convert a field name to a JSON name.
+ *
+ * See https://protobuf.com/docs/language-spec#default-json-names
+ *
+ * The function protoSnakeCase provides the reverse.
  */
 export declare function protoCamelCase(snakeCase: string): string;
 /**
+ * Converts protoCamelCase to snake_case.
+ *
+ * This function is the reverse of function protoCamelCase. Note that some names
+ * are not reversible - for example, "foo__bar" -> "fooBar" -> "foo_bar".
+ */
+export declare function protoSnakeCase(lowerCamelCase: string): string;
+/**
  * Escapes names that are reserved for ECMAScript built-in object properties.
@@ -17,0 +28,0 @@ *

dist/esm/reflect/names.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -44,2 +44,6 @@ // Licensed under the Apache License, Version 2.0 (the "License");
  * used by protoc to convert a field name to a JSON name.
+ *
+ * See https://protobuf.com/docs/language-spec#default-json-names
+ *
+ * The function protoSnakeCase provides the reverse.
  */
@@ -80,2 +84,11 @@ export function protoCamelCase(snakeCase) {
 /**
+ * Converts protoCamelCase to snake_case.
+ *
+ * This function is the reverse of function protoCamelCase. Note that some names
+ * are not reversible - for example, "foo__bar" -> "fooBar" -> "foo_bar".
+ */
+export function protoSnakeCase(lowerCamelCase) {
+    return lowerCamelCase.replace(/[A-Z]/g, (letter) => "_" + letter.toLowerCase());
+}
+/**
  * Names that cannot be used for object properties because they are reserved
@@ -82,0 +95,0 @@ * by built-in JavaScript properties.

dist/esm/reflect/nested-types.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/path.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/reflect-check.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/reflect-types.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/reflect.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/scalar.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/reflect/unsafe.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/registry.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/to-binary.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/to-json.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -15,3 +15,3 @@ // Licensed under the Apache License, Version 2.0 (the "License");
 import { ScalarType, } from "./descriptors.js";
-import { protoCamelCase } from "./reflect/names.js";
+import { protoCamelCase, protoSnakeCase } from "./reflect/names.js";
 import { reflect } from "./reflect/reflect.js";
@@ -324,6 +324,4 @@ import { anyUnpack } from "./wkt/index.js";
         .map((p) => {
-        if (p.match(/_[0-9]?_/g) || p.match(/[A-Z]/g)) {
-            throw new Error(`cannot encode message ${val.$typeName} to JSON: lowerCamelCase of path name "` +
-                p +
-                '" is irreversible');
+        if (protoSnakeCase(protoCamelCase(p)) !== p) {
+            throw new Error(`cannot encode message ${val.$typeName} to JSON: lowerCamelCase of path name "${p}" is irreversible`);
         }
@@ -330,0 +328,0 @@ return protoCamelCase(p);

dist/esm/types.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wire/base64-encoding.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wire/binary-encoding.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wire/index.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wire/size-delimited.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wire/text-encoding.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wire/text-format.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/any.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/duration.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/any_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/api_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/compiler/plugin_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/cpp_features_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/descriptor_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/duration_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/empty_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/field_mask_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/go_features_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/java_features_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/source_context_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/struct_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/timestamp_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/type_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/gen/google/protobuf/wrappers_pb.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/index.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/timestamp.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

dist/esm/wkt/wrappers.js

@@ -1,2 +0,2 @@
-// Copyright 2021-2025 Buf Technologies, Inc.
+// Copyright 2021-2026 Buf Technologies, Inc.
 //
@@ -3,0 +3,0 @@ // Licensed under the Apache License, Version 2.0 (the "License");

package.json

 {
   "name": "@bufbuild/protobuf",
-  "version": "2.10.2",
+  "version": "2.11.0",
   "license": "(Apache-2.0 AND BSD-3-Clause)",
@@ -5,0 +5,0 @@ "description": "A complete implementation of Protocol Buffers in TypeScript, suitable for web browsers and Node.js.",

New alerts

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 2 instances in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Fixed alerts

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 2 instances in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

1590886

0.05%

Lines of code

41491

0.07%

Number of low supply chain risk alerts

73

-2.67%

Number of medium supply chain risk alerts

0

-100%

No dependency changes